Continuous hot-galvanizing unit with pre-galvanizing leveling function and hot-galvanizing process

A tempering machine and leveling technology, applied in the direction of hot-dip galvanizing process, metal material coating process, coating, etc., can solve the problems of restricting the use of hot-rolled galvanized products and failing to meet the higher quality requirements of galvanized products. Achieve the effects of reducing equipment investment and personnel costs, increasing the total yield, and meeting the requirements of precision use

Active Publication Date: 2018-10-02
HUANGSHI SUNNY SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the quality of hot-rolled galvanized products still needs to be further improved, and most products cannot meet the higher quality requirements of users for galvanized products, which greatly limits the use of hot-rolled galvanized products

Method used

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  • Continuous hot-galvanizing unit with pre-galvanizing leveling function and hot-galvanizing process
  • Continuous hot-galvanizing unit with pre-galvanizing leveling function and hot-galvanizing process
  • Continuous hot-galvanizing unit with pre-galvanizing leveling function and hot-galvanizing process

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Embodiment

[0042] For ease of description, this embodiment takes hot-dip galvanizing as an example for subsequent descriptions. When producing other types of hot-dip products by changing the composition of the plating solution, you can refer to the treatment process in this embodiment.

[0043] Please refer to figure 1 , figure 1 Shown is a schematic structural diagram of a continuous hot-coating unit 100 with a pre-plating leveling function. This embodiment provides a continuous hot-dip galvanizing unit 100 with the function of leveling before plating, which is mainly used for galvanizing with hot-rolled steel sheets as raw materials, and improves the quality of galvanized sheets made of hot-rolled steel sheets compared with traditional units, so that The galvanized sheet can meet the requirements of more users and broaden the use of the galvanized sheet.

[0044] The continuous hot-dip plating unit 100 with pre-plating leveling function includes a pretreatment section 110 , a cleanin...

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Abstract

The invention provides a continuous hot-galvanizing unit with a pre-galvanizing leveling function and a hot-galvanizing process, and relates to the technical field of steel machining. The continuous hot-galvanizing unit with the pre-galvanizing leveling function comprises a cleaning section, a leveling section, an annealing section and a hot galvanizing section which are sequentially connected, wherein the leveling section comprises a leveler. The hot galvanizing process mainly comprises the following steps that a cleaned steel plate is leveled by the leveler and then sequentially undergoes annealing and hot galvanizing. According to the process, the steel plate is leveled before hot galvanizing so that the error of the thickness size precision of the hot-rolled steel plate can be effectively eliminated, then the steel plate can reach the precision requirement of the cold-rolled plate, and the precise use requirements of a final hot-galvanized product are met; and meanwhile, the plateshape of the hot-rolled raw material strip steel is improved through the leveling treatment, the stable operation of the strip steel in the hot galvanizing unit is guaranteed, and meanwhile, the plateshape quality of the final hot-galvanized product is improved.

Description

technical field [0001] The invention relates to the technical field of steel processing, in particular to a continuous hot-dip unit with a pre-plating function and a hot-dip process. Background technique [0002] Continuous hot-dip galvanizing refers to a surface treatment technology that coats a layer of zinc on the surface of metals, alloys or other materials for aesthetics and anti-rust. At present, common continuous hot-dip galvanizing production lines use cold-rolled steel sheets as raw materials, that is, hot-rolled steel coils are pickled and cold-rolled before entering the hot-dip galvanizing production line. However, with the development of society, the continuous progress of technology, and the continuous research and application of new materials, the traditional continuous hot-dip galvanizing industry began to appear a new production method of "replacing heat with cold", that is, using hot-rolled steel plates instead of cold-rolled Steel sheets are used as raw ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D1/02B21C37/02C23C2/02C23C2/40
CPCB21C37/02B21D1/02C23C2/003C23C2/02C23C2/40
Inventor 汪军民徐岚鄢情操李国楼
Owner HUANGSHI SUNNY SCI & TECH CO LTD
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